Abstract: A trimmer head for a rotary cutting device that utilizes a plurality of trimmer line and cutting blades either separately or simultaneously, the blades pivotally connected to the trimmer head in a first plane which is generally parallel to and underneath a second plane in which the trimmer line is pivotally connected to the trimmer head, each of the blades and strips of trimmer line capable of pivoting within a lateral arc of at least 180 degrees within its respective plane without striking the trimmer head or any other blades or trimmer line.

Abstract: A trimmer head having pivoting line holders comprises a single unitary molded housing having at least one recessed cavity located on the upper surface which is shaped and sized to receive a pivoting line holder, the recessed cavity includes reinforcement members for securely retaining pivoting line holder therein via insertion of a metal bearing ring which allows for free rotation of pivoting line holder about its central axis within recessed cavity; a method for installation of pivoting line holders within a trimmer head is also disclosed.